1. This car audio fuse, fuse holder, and fuse box are specially designed for car audio systems and are a good choice to ensure the stable operation of car audio. 2. It has a well - designed appearance, which is simple and practical and can adapt well to the in - car environment. It comes in various specifications, including 30A, 40A, 60A, 80A, and 100A, which can meet the current requirements of different car audio systems and provide accurate over - current protection for various car audio. 3. The main sales regions of this product cover Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, the Middle East, etc. Its quality has been recognized in many regions. In addition, it has an authorized private brand, which can provide better guarantees in terms of quality and after - sales service. 4. Whether it is the normal use of car audio during daily driving or in case of sudden abnormal current, this insurance product can respond quickly and effectively prevent excessive current from damaging the car audio, keeping your car audio in a safe and stable working state at all times.